From Cppreference
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| void clear( iostate state = goodbit );
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Clears the stream error state flags by assigning them the value of state. If rdbuf() == 0 then state | badbit is assigned. May throw an exception.
Parameters
| state
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| new error state flags setting. It can be a combination of the following constants:
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| Constant
| Explanation
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| goodbit
| no error
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| badbit
| irrecoverable stream error
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| failbit
| input/output operation failed (formatting or extraction error)
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| eofbit
| associated input sequence has reached end-of-file
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Return value
(none)
Example
See also
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| sets state flags
(public member function)
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| returns state flags
(public member function)
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